<template>
  <!-- 处理导航栏头部 -->
  <div class="comment-reply">
    <!-- 导航栏 -->
    <van-nav-bar :title="`${comment.reply_count}条回复`">
      <van-icon slot="left" name="cross" @click="$emit('close')" />
    </van-nav-bar>

    <!-- 当前评论项 -->
    <comment-item :comment="comment" />

    <!-- 评论的回复列表 -->
    <van-cell title="全部回复" />
    <!-- <comment-list /> -->

    <!-- comment-list 组件中传入两个数据 -->
    <comment-list :list="commentList" :source="comment.com_id" :type="'c'"></comment-list>

    <!-- 发布评论 -->
    <div class="post-wrap">
      <van-button class="post-btn" size="small" round @click="isPostShow = true"
        >写评论</van-button
      >
    </div>

    <!-- 发布回复 -->
    <van-popup v-model="isPostShow" position="bottom">
      <comment-post
        :target="comment.com_id"
        @post-success="onPostSuccess"
      ></comment-post>
    </van-popup>
  </div>
</template>

<script>
import CommentItem from './comment-item.vue'
// 展示评论回复列表
// comment-reply 组件中导入并绑定评论列表组件 comment-list
import CommentList from './comment-list.vue'
// 在 comment-reply 组件中导入comment-post组件
import CommentPost from './comment-post.vue'
export default {
  name: 'CommentReply',
  // 声明 props，接收父组件传递的评论项数据
  props: {
    comment: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      isPostShow: false,
      commentList: []
    }
  },
  inject: {
    articleId: {
      type: [Number, String, Object],
      default: null
    }
  },
  components: {
    CommentItem,
    CommentList,
    CommentPost
  },
  created() {
    console.log('heheheh', this.comment)
  },
  methods: {
    onPostSuccess(data) {
      // 更新回复的数量
      this.comment.reply_count++
      // 关闭弹出层
      this.isPostShow = false
      // 将最新回复的内容展示到列表的顶部
      this.commentList.unshift(data.new_obj)
    }
  }
}
</script>

<style lang="less" scoped>
.sroll-wrap {
  position: fixed;
  top: 92px;
  left: 0;
  right: 0;
  bottom: 88px;
  overflow-y: auto;
}

.post-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  background-color: 1px solid #d8d8d8;
  .post-btn {
    width: 60%;
  }
}
</style>
